Showing the changes to java/pkg/sun/io/ByteToCharASCII.java (1 of 18352 files). Show all
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| 1 | +/* | |
| 2 | + * Copyright (c) 1997, Oracle and/or its affiliates. All rights reserved. | |
| 3 | + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. | |
| 4 | + * | |
| 5 | + * This code is free software; you can redistribute it and/or modify it | |
| 6 | + * under the terms of the GNU General Public License version 2 only, as | |
| 7 | + * published by the Free Software Foundation. Oracle designates this | |
| 8 | + * particular file as subject to the "Classpath" exception as provided | |
| 9 | + * by Oracle in the LICENSE file that accompanied this code. | |
| 10 | + * | |
| 11 | + * This code is distributed in the hope that it will be useful, but WITHOUT | |
| 12 | + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
| 13 | + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | |
| 14 | + * version 2 for more details (a copy is included in the LICENSE file that | |
| 15 | + * accompanied this code). | |
| 16 | + * | |
| 17 | + * You should have received a copy of the GNU General Public License version | |
| 18 | + * 2 along with this work; if not, write to the Free Software Foundation, | |
| 19 | + * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. | |
| 20 | + * | |
| 21 | + * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA | |
| 22 | + * or visit www.oracle.com if you need additional information or have any | |
| 23 | + * questions. | |
| 24 | + */ | |
| 25 | + | |
| 26 | +package sun.io; | |
| 27 | + | |
| 28 | +/** | |
| 29 | + * A algorithmic conversion from ASCII to Unicode | |
| 30 | + * | |
| 31 | + * @author Limin Shi | |
| 32 | + */ | |
| 33 | +public class ByteToCharASCII extends ByteToCharConverter { | |
| 34 | + | |
| 35 | + // Return the character set id | |
| 36 | + public String getCharacterEncoding() | |
| 37 | + { | |
| 38 | + return "ASCII"; | |
| 39 | + } | |
| 40 | + | |
| 41 | + public int flush(char[] output, int outStart, int outEnd) { | |
| 42 | + // This converter will not buffer any data. | |
| 43 | + byteOff = charOff = 0; | |
| 44 | + return 0; | |
| 45 | + } | |
| 46 | + | |
| 47 | + /** | |
| 48 | + * Algorithmic character conversion | |
| 49 | + */ | |
| 50 | + public int convert(byte[] input, int inOff, int inEnd, | |
| 51 | + char[] output, int outOff, int outEnd) | |
| 52 | + throws ConversionBufferFullException, UnknownCharacterException | |
| 53 | + { | |
| 54 | + byte inputByte; | |
| 55 | + | |
| 56 | + charOff = outOff; | |
| 57 | + byteOff = inOff; | |
| 58 | + | |
| 59 | + // Loop until we hit the end of the input | |
| 60 | + while(byteOff < inEnd) | |
| 61 | + { | |
| 62 | + // If we don't have room for the output, throw an exception | |
| 63 | + if (charOff >= outEnd) | |
| 64 | + throw new ConversionBufferFullException(); | |
| 65 | + | |
| 66 | + // Convert the input byte | |
| 67 | + inputByte = input[byteOff++]; | |
| 68 | + | |
| 69 | + if (inputByte >= 0) | |
| 70 | + output[charOff++] = (char)inputByte; | |
| 71 | + else { | |
| 72 | + if (subMode) | |
| 73 | + output[charOff++] = '\uFFFD'; // Replace Char | |
| 74 | + else { | |
| 75 | + badInputLength = 1; | |
| 76 | + throw new UnknownCharacterException(); | |
| 77 | + } | |
| 78 | + } | |
| 79 | + } | |
| 80 | + | |
| 81 | + // Return the length written to the output buffer | |
| 82 | + return charOff-outOff; | |
| 83 | + } | |
| 84 | + | |
| 85 | + /* | |
| 86 | + * Reset after finding bad input | |
| 87 | + */ | |
| 88 | + public void reset() { | |
| 89 | + byteOff = charOff = 0; | |
| 90 | + } | |
| 91 | + | |
| 92 | +} | |